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53021033 = 137395519
BaseRepresentation
bin1100101001000…
…0100101101001
310200202202011222
43022100211221
5102033133113
65132231425
71212446162
oct312204551
9120682158
1053021033
1127a2453a
121590b575
13aca54c0
147082769
1549c4e08
hex3290969

53021033 has 8 divisors (see below), whose sum is σ = 57187200. Its totient is φ = 48867408.

The previous prime is 53021009. The next prime is 53021081. The reversal of 53021033 is 33012035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53021033 - 26 = 53020969 is a prime.

It is a super-2 number, since 2×530210332 = 5622459880774178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53021093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6848 + ... + 12366.

It is an arithmetic number, because the mean of its divisors is an integer number (7148400).

Almost surely, 253021033 is an apocalyptic number.

It is an amenable number.

53021033 is a deficient number, since it is larger than the sum of its proper divisors (4166167).

53021033 is a wasteful number, since it uses less digits than its factorization.

53021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 53021033 is about 7281.5542983624. The cubic root of 53021033 is about 375.6782581324.

Adding to 53021033 its reverse (33012035), we get a palindrome (86033068).

The spelling of 53021033 in words is "fifty-three million, twenty-one thousand, thirty-three".

Divisors: 1 13 739 5519 9607 71747 4078541 53021033